[foreign-jextract] [Rev 01] RFR: 8239493: Add classfile generation to jextract

[Jorn Vernee]

On Tue, 7 Apr 2020 11:32:44 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

>> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix incorrect copyright header
>
> Looks good.
> 
> PS. Build/test fine on Mac OS

I've addressed review comments, and also added another test that tests some of the new constant support for strings and
memory addresses (among others).

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PR: https://git.openjdk.java.net/panama-foreign/pull/102